{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950435,-0.310924,0.000000,0.000000,0.114380,-0.349639,0.929876,0.000000,-0.288856,0.882979,0.370014,0.000000,-1843209.186569,5634343.893356,2345274.194701,1],    "boundingVolume": {    "region": [1.886887,0.378984,1.887035,0.379063,0.000000,9.321343]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/14_3984.b3dm"}}}